diff options
Diffstat (limited to 'src/mesa/swrast_setup/ss_triangle.c')
| -rw-r--r-- | src/mesa/swrast_setup/ss_triangle.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/mesa/swrast_setup/ss_triangle.c b/src/mesa/swrast_setup/ss_triangle.c index 73a19ad38af..337a45acc53 100644 --- a/src/mesa/swrast_setup/ss_triangle.c +++ b/src/mesa/swrast_setup/ss_triangle.c @@ -26,6 +26,7 @@ */ #include "glheader.h" +#include "colormac.h" #include "macros.h" #include "mtypes.h" @@ -44,6 +45,100 @@ static triangle_func tri_tab[SS_MAX_TRIFUNC]; static quad_func quad_tab[SS_MAX_TRIFUNC]; +static void _swsetup_render_line_tri( GLcontext *ctx, + GLuint e0, GLuint e1, GLuint e2 ) +{ + SScontext *swsetup = SWSETUP_CONTEXT(ctx); + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + GLubyte *ef = VB->EdgeFlag; + SWvertex *verts = swsetup->verts; + SWvertex *v0 = &verts[e0]; + SWvertex *v1 = &verts[e1]; + SWvertex *v2 = &verts[e2]; + GLchan c[2][4]; + GLchan s[2][4]; + GLuint i[2]; + + if (ctx->_TriangleCaps & DD_FLATSHADE) { + COPY_CHAN4(c[0], v0->color); + COPY_CHAN4(c[1], v1->color); + COPY_CHAN4(s[0], v0->specular); + COPY_CHAN4(s[1], v1->specular); + i[0] = v0->index; + i[1] = v1->index; + + COPY_CHAN4(v0->color, v2->color); + COPY_CHAN4(v1->color, v2->color); + COPY_CHAN4(v0->specular, v2->specular); + COPY_CHAN4(v1->specular, v2->specular); + v0->index = v2->index; + v1->index = v2->index; + } + + if (swsetup->render_prim == GL_POLYGON) { + if (ef[e2]) _swrast_Line( ctx, v2, v0 ); + if (ef[e0]) _swrast_Line( ctx, v0, v1 ); + if (ef[e1]) _swrast_Line( ctx, v1, v2 ); + } else { + if (ef[e0]) _swrast_Line( ctx, v0, v1 ); + if (ef[e1]) _swrast_Line( ctx, v1, v2 ); + if (ef[e2]) _swrast_Line( ctx, v2, v0 ); + } + + if (ctx->_TriangleCaps & DD_FLATSHADE) { + COPY_CHAN4(v0->color, c[0]); + COPY_CHAN4(v1->color, c[1]); + COPY_CHAN4(v0->specular, s[0]); + COPY_CHAN4(v1->specular, s[1]); + v0->index = i[0]; + v1->index = i[1]; + } +} + +static void _swsetup_render_point_tri( GLcontext *ctx, + GLuint e0, GLuint e1, GLuint e2 ) +{ + SScontext *swsetup = SWSETUP_CONTEXT(ctx); + struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb; + GLubyte *ef = VB->EdgeFlag; + SWvertex *verts = swsetup->verts; + SWvertex *v0 = &verts[e0]; + SWvertex *v1 = &verts[e1]; + SWvertex *v2 = &verts[e2]; + GLchan c[2][4]; + GLchan s[2][4]; + GLuint i[2]; + + if (ctx->_TriangleCaps & DD_FLATSHADE) { + COPY_CHAN4(c[0], v0->color); + COPY_CHAN4(c[1], v1->color); + COPY_CHAN4(s[0], v0->specular); + COPY_CHAN4(s[1], v1->specular); + i[0] = v0->index; + i[1] = v1->index; + + COPY_CHAN4(v0->color, v2->color); + COPY_CHAN4(v1->color, v2->color); + COPY_CHAN4(v0->specular, v2->specular); + COPY_CHAN4(v1->specular, v2->specular); + v0->index = v2->index; + v1->index = v2->index; + } + + if (ef[e0]) _swrast_Point( ctx, v0 ); + if (ef[e1]) _swrast_Point( ctx, v1 ); + if (ef[e2]) _swrast_Point( ctx, v2 ); + + if (ctx->_TriangleCaps & DD_FLATSHADE) { + COPY_CHAN4(v0->color, c[0]); + COPY_CHAN4(v1->color, c[1]); + COPY_CHAN4(v0->specular, s[0]); + COPY_CHAN4(v1->specular, s[1]); + v0->index = i[0]; + v1->index = i[1]; + } +} + #define SS_COLOR(a,b) COPY_4UBV(a,b) #define SS_SPEC(a,b) COPY_4UBV(a,b) #define SS_IND(a,b) (a = b) |